|
| year | production | change |
| 1980 | 33,304.13 | NA |
| 1981 | 32,233.09 | -3.22 % |
| 1982 | 35,510.46 | 10.17 % |
| 1983 | 35,704.17 | 0.55 % |
| 1984 | 37,099.40 | 3.91 % |
| 1985 | 34,039.38 | -8.25 % |
| 1986 | 38,826.71 | 14.06 % |
| 1987 | 40,586.00 | 4.53 % |
| 1988 | 37,640.63 | -7.26 % |
| 1989 | 37,807.07 | 0.44 % |
| 1990 | 34,915.71 | -7.65 % |
| 1991 | 27,906.45 | -20.07 % |
| 1992 | 29,737.16 | 6.56 % |
| 1993 | 28,225.89 | -5.08 % |
| 1994 | 28,254.45 | 0.10 % |
| 1995 | 30,559.17 | 8.16 % |
| 1996 | 31,131.48 | 1.87 % |
| 1997 | 32,747.47 | 5.19 % |
| 1998 | 33,191.66 | 1.36 % |
| 1999 | 27,906.78 | -15.92 % |
| 2000 | 29,156.13 | 4.48 % |
| 2001 | 29,358.14 | 0.69 % |
| 2002 | 28,701.62 | -2.24 % |
| 2003 | 30,106.62 | 4.90 % |
| 2004 | 29,200.10 | -3.01 % |
| 2005 | 27,221.58 | -6.78 % |
| 2006 | 28,305.15 | 3.98 % |
| 2007 | 31,364.06 | 10.81 % |
| 2008 | 31,734.44 | 1.18 % |
| 2009 | 29,967.44 | -5.57 % |
| 2010 | 32,413.46 | 8.16 % |
| 2011 | 41,679.50 | 28.59 % |
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